* {
    margin: 0;
    padding: 0;
}

ul,
ol>li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

body {
    font-size: 12px;
    font-family: "微软雅黑"
}


/* 通栏 */

#head_layout {
    border-top: 1px solid a5a4ad;
    border-bottom: 1px solid #a5a4ad;
    background-color: #fff;
}

#head_layout header {
    width: 1200px;
    height: 34px;
    margin: 0 auto;
}

.layout_media {
    width: 360px;
    height: 34px;
    float: right;
}


/* .layout_media li:not(:last-child):after{
	content: "|";
	padding: 0 15px;
} */


/* 这块有问题,上操作会影响下面布局,解决给起了单独的类名 */

.layout_media .bar:after {
    content: "|";
    padding: 0 15px;
}

.layout_media li {
    float: left;
    line-height: 34px;
    /* margin: 0 15px; */
    font-weight: 300;
    font-size: 12px;
    cursor: pointer;
}

.layout_media li img {
    float: left;
    margin: 6px;
}

.layout_media li span {
    float: right;
    display: inline-block;
    margin-top: 6px;
}

.layout_media .media_four {
    font-size: 12px;
    font-weight: 300;
    position: relative;
}


/* 关于我们划过显示的二级 */

.layout_media .media_AboutUs .media_AboutUs_show {
    position: absolute;
    top: 35px;
    right: 30px;
    width: 800px;
    height: 350px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 0 2px #a5a4ad;
    display: none;
    z-index: 999;
}

.layout_media .media_AboutUs:hover .media_AboutUs_show {
    display: block;
    z-index: 100;
}

.show_top {
    width: 800px;
    height: 150px;
    /* background-color: palegoldenrod; */
    padding-left: 20px;
    box-sizing: border-box;
}

.show_top div {
    width: 130px;
    float: left;
}

.show_top div .one {
    font-size: 12px;
    height: 30px;
    line-height: 30px;
}

.show_top div .two {
    width: 30px;
    height: 1px;
    background-color: gray;
}

.show_top div ul {
    margin-top: 10px;
    font-size: 12px;
    font-weight: 300;
}

.show_top div ul li {
    line-height: 26px;
    clear: both;
    cursor: pointer;
}

.show_bottom_one {
    width: 800px;
    display: flex;
    font-weight: 300;
    font-size: 10px;
    /* background-color: tan; */
}

.show_bottom_one:before {
    content: "";
    flex: 1;
    border-top: 1px solid gray;
    transform: translate(0, 50%);
}

.show_bottom_one:after {
    content: "";
    flex: 1;
    border-top: 1px solid gray;
    transform: translate(0, 50%);
}

.show_bottom_one span {
    margin: 10px;
}

.show_bottom_two,
.show_bottom_three {
    width: 800px;
    font-size: 8px;
    font-weight: 300;
    text-align: center;
    /* background-color: pink; */
    /* margin: 0 auto; */
    overflow: hidden;
    box-sizing: border-box;
    padding: 0 20px;
}

.show_bottom_two li,
.show_bottom_three li {
    float: left;
    height: 24px;
}

.show_bottom_two li:nth-child(1) {
    padding-left: 30px;
}

.show_bottom_two li:nth-child(6) {
    padding-left: 200px;
}

.show_bottom_three li:nth-child(1) {
    padding-left: 70px;
}

.show_bottom_three li:nth-child(4) {
    padding-left: 144px;
}

.show_bottom_two li:not(:first-child):before,
.show_bottom_three li:not(:first-child):before {
    content: "|";
    padding: 0 5px;
}


/* 搜索栏 */

#layout_nav {
    width: 100%;
    height: 100px;
    background-color: #fff;
}

.nav_layout {
    position: fixed;
    left: 50%;
    transform: translate(-50%, 0);
    top: 0;
    z-index: 99999;
    box-shadow: 0px 1px 10px #888888;
}

#nav {
    width: 1200px;
    height: 100px;
    margin: 0 auto;
    position: relative;
    background-color: #fff;
    /* background-color: pink; */
}

#nav .nav_logo {
    float: left;
}

.nav_logo img {
    display: block;
    width: 140px;
    height: 100px;
}

#nav .nav_catalog {
    width: 150px;
    height: 100px;
    line-height: 100px;
    float: left;
}

.nav_catalog img {
    width: 20px;
    float: left;
    margin-top: 43px;
    margin-left: 30px;
}


/* 划过目录显示的二级 */

.nav_catalog .catalog_list {
    position: absolute;
    top: 84px;
    left: -30px;
    width: 900px;
    height: 170px;
    border-radius: 5px;
    box-shadow: 0 0 2px #a5a4ad;
    background-color: white;
    /* border: 1px solid #a5a4ad; */
    display: none;
}

.nav_catalog:hover .catalog_list {
    display: block;
    z-index: 99999;
}

.nav_catalog .catalog_list .list_lef {
    width: 250px;
    height: 170px;
    float: left;
    /* background-color: palegoldenrod; */
}

.nav_catalog .catalog_list .list_cen {
    width: 250px;
    height: 170px;
    float: left;
    /* background-color: pink; */
}

.nav_catalog .catalog_list .list_rig {
    width: 400px;
    height: 170px;
    float: left;
    /* background-color: cadetblue; */
}

.nav_catalog .catalog_list div:not(:last-child) {
    box-sizing: border-box;
    border-right: 1px solid #ccc;
}

.nav_catalog .catalog_list p {
    height: 40px;
    line-height: 40px;
    padding: 0 10px;
    font-size: 14px;
    padding-top: 20px;
}

.nav_catalog .catalog_list p span {
    float: right;
    color: gray;
    font-size: 12px;
    font-weight: 300;
}

.nav_catalog .catalog_list ul li {
    height: 24px;
    line-height: 24px;
    float: left;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 300;
}

#nav .nav_search {
    width: 550px;
    height: 100px;
    line-height: 100px;
    float: left;
    margin-top: 25px;
}

.nav_search input {
    width: 490px;
    height: 50px;
    border-radius: 3px;
    float: left;
    outline: none;
    border: none;
    background-color: #f7f7f7;
    text-indent: 16px;
    font-size: 16px;
}

.nav_search img {
    width: 60px;
    float: left;
}

#nav .nav_choose {
    margin-top: 20px;
    width: 200px;
    height: 100px;
    float: left;
    display: flex;
    padding: 10px;
    align-content: space-between;
}

.nav_choose dl {
    width: 50px;
    text-align: center;
    cursor: pointer;
}

.nav_choose dt img {
    width: 22px;
}

.nav_choose dd {
    font-size: 12px;
    white-space: nowrap;
}

#nav .nav_message {
    width: 140px;
    height: 100px;
    float: right;
    display: flex;
}


/* 未登录 */

.nav_message .message_unlogin {
    width: 40px;
    height: 40px;
    margin: 0 10px;
    margin-top: 30px;
}

.nav_message .message_unlogin img {
    width: 100%;
    display: block;
}

.nav_message .message_deng {
    width: 70px;
    line-height: 100px;
}


/* 登录后 */


/* .nav_message .message_login{
	width: 40px;
	height: 40px;
	margin: 0 10px;
	margin-top: 30px;
}
.nav_message .message_login img{
	width: 100%;
	display: block;
}
.nav_message .message_nickname{
	width: 50px;
	line-height: 100px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.nav_message .message_biao{
	margin-top: 40px;
	width: 30px;
} */